Re: Meltdown / Spectre

[Ludovic Courtès]

Mark H Weaver <address@hidden> skribis:

> Leo Famulari <address@hidden> writes:
>
>> On Fri, Jan 19, 2018 at 05:06:25PM -0500, Mark H Weaver wrote:
>>> There's now a GCC 7.3 release candidate that apparently contains the
>>> necessary compiler support to allow linux-libre-4.14.14 to use the
>>> retpoline technique internally.
>>> 
>>>   https://gcc.gnu.org/ml/gcc/2018-01/msg00115.html
>>> 
>>> They hope to release GCC 7.3 on January 24th.  It would be good to
>>> promptly add GCC 7.3 to Guix when its released, and to start using it to
>>> build linux-libre-4.14 on selected systems: x86_64 and possibly aarch64.
>>> 
>>> I'd prefer to continue using our default compiler to build linux-libre
>>> on systems where GCC 7.3 is not known to help with this issue.
>>
>> Thanks for looking into this, Mark. Your plan sounds good to me.
>
> FYI, in another thread, I recently posted preliminary patches to add the
> GCC 7.3 release candidate as a Guix package, and to use it to build
> linux-libre on x86_64 and i686 systems:
>
>   https://lists.gnu.org/archive/html/guix-devel/2018-01/msg00292.html

Today’s Jan. 24th, so hopefully we can roll in these patches today!

Thank you,
Ludo’.